Samuel L. Jackson will make his Broadway debut this autumn as Dr. Martin Luther King Jr. in the Olivier Award-winning play The Mountaintop. Jackson, associated with film such as Pulp Fiction, Snakes on a Plane and Shaft, made stage appearances in A Soldier's Play at Morehouse College in 1981 and the August Wilson play Fences at the Seattle Repertory Theatre in 1985. He also has appeared at the New York Shakespeare Festival...[continued[